const runtime.waitReasonUpdateGOMAXPROCSIdle

3 uses

	runtime (current package)
		proc.go#L7095: 		goparkunlock(&updateMaxProcsG.lock, waitReasonUpdateGOMAXPROCSIdle, traceBlockSystemGoroutine, 1)
		runtime2.go#L1235: 	waitReasonUpdateGOMAXPROCSIdle                    // "GOMAXPROCS updater (idle)"
		runtime2.go#L1291: 	waitReasonUpdateGOMAXPROCSIdle:  "GOMAXPROCS updater (idle)",